/
mixbizdb.go
410 lines (357 loc) · 13.3 KB
/
mixbizdb.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
// Copyright Fuzamei Corp. 2018 All Rights Reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package wallet
import (
"encoding/hex"
"github.com/consensys/gnark/frontend"
"github.com/33cn/chain33/common"
commondb "github.com/33cn/chain33/common/db"
"github.com/33cn/chain33/common/db/table"
"github.com/33cn/chain33/system/dapp"
"github.com/33cn/chain33/types"
mixTy "github.com/33cn/plugin/plugin/dapp/mix/types"
"github.com/pkg/errors"
)
//空的公钥字符为“0”,不是空,这里多设置了长度
const LENNULLKEY = 10
func (p *mixPolicy) execAutoLocalMix(tx *types.Transaction, receiptData *types.ReceiptData, index int, height int64) (*types.LocalDBSet, error) {
set, err := p.execLocalMix(tx, receiptData, height, int64(index))
if err != nil {
return set, err
}
dbSet := &types.LocalDBSet{}
dbSet.KV = p.store.AddRollbackKV(tx, tx.Execer, set.KV)
return dbSet, nil
}
func (p *mixPolicy) execLocalMix(tx *types.Transaction, receiptData *types.ReceiptData, height, index int64) (*types.LocalDBSet, error) {
if receiptData.Ty != types.ExecOk {
return nil, types.ErrInvalidParam
}
if !p.store.getPrivacyEnable() {
return nil, nil
}
return p.processMixTx(tx, height, index)
}
func (p *mixPolicy) processMixTx(tx *types.Transaction, height, index int64) (*types.LocalDBSet, error) {
var v mixTy.MixAction
err := types.Decode(tx.Payload, &v)
if err != nil {
bizlog.Error("execLocalMix decode", "hash", tx.Hash(), "err", err)
return nil, types.ErrInvalidParam
}
table := NewMixTable(commondb.NewKVDB(p.getWalletOperate().GetDBStore()))
switch v.GetTy() {
//deposit 匹配newcommits,属于自己的存到数据库
case mixTy.MixActionDeposit:
p.processDeposit(v.GetDeposit(), dapp.HeightIndexStr(height, index), table)
//根据withdraw nullifier hash 更新数据状态为USED
case mixTy.MixActionWithdraw:
var nulls []string
for _, m := range v.GetWithdraw().Proofs {
var v mixTy.WithdrawCircuit
err := mixTy.ConstructCircuitPubInput(m.PublicInput, &v)
if err != nil {
bizlog.Error("processWithdraw decode", "pubInput", m.PublicInput)
continue
}
nullHash := frontend.FromInterface(frontend.GetAssignedValue(v.NullifierHash))
nulls = append(nulls, nullHash.String())
}
p.processNullifiers(nulls, table)
//nullifier hash更新为used, newcommit解密存储
case mixTy.MixActionTransfer:
p.processTransfer(v.GetTransfer(), dapp.HeightIndexStr(height, index), table)
//查看本地authSpend hash是否hit, 是则更新为OPEN状态
case mixTy.MixActionAuth:
p.processAuth(v.GetAuthorize(), table)
}
kvs, err := table.Save()
if err != nil {
bizlog.Error("execLocalMix table save", "hash", tx.Hash(), "err", err)
return nil, err
}
dbSet := &types.LocalDBSet{}
dbSet.KV = append(dbSet.KV, kvs...)
return dbSet, nil
}
func (p *mixPolicy) processDeposit(deposit *mixTy.MixDepositAction, heightIndex string, table *table.Table) {
for _, proof := range deposit.Proofs {
var v mixTy.DepositCircuit
err := mixTy.ConstructCircuitPubInput(proof.PublicInput, &v)
if err != nil {
bizlog.Error("processDeposit decode", "pubInput", proof.PublicInput)
return
}
noteHash := frontend.FromInterface(frontend.GetAssignedValue(v.NoteHash))
p.processSecretGroup(noteHash.String(), proof.Secrets, heightIndex, table)
}
}
func (p *mixPolicy) processTransfer(transfer *mixTy.MixTransferAction, heightIndex string, table *table.Table) {
var nulls []string
for _, in := range transfer.Inputs {
var v mixTy.TransferInputCircuit
err := mixTy.ConstructCircuitPubInput(in.PublicInput, &v)
if err != nil {
bizlog.Error("processTransfer.input decode", "pubInput", in.PublicInput)
return
}
nullHash := frontend.FromInterface(frontend.GetAssignedValue(v.NullifierHash))
nulls = append(nulls, nullHash.String())
}
p.processNullifiers(nulls, table)
//out
var out mixTy.TransferOutputCircuit
err := mixTy.ConstructCircuitPubInput(transfer.Output.PublicInput, &out)
if err != nil {
bizlog.Error("processTransfer.output decode", "pubInput", transfer.Output.PublicInput)
return
}
noteHash := frontend.FromInterface(frontend.GetAssignedValue(out.NoteHash))
p.processSecretGroup(noteHash.String(), transfer.Output.Secrets, heightIndex, table)
//change
var change mixTy.TransferOutputCircuit
err = mixTy.ConstructCircuitPubInput(transfer.Change.PublicInput, &change)
if err != nil {
bizlog.Error("processTransfer.output decode", "pubInput", transfer.Change.PublicInput)
return
}
changeNoteHash := frontend.FromInterface(frontend.GetAssignedValue(change.NoteHash))
p.processSecretGroup(changeNoteHash.String(), transfer.Change.Secrets, heightIndex, table)
}
func (p *mixPolicy) processAuth(auth *mixTy.MixAuthorizeAction, table *table.Table) {
var v mixTy.AuthorizeCircuit
err := mixTy.ConstructCircuitPubInput(auth.ProofInfo.PublicInput, &v)
if err != nil {
bizlog.Error("processAuth decode", "pubInput", auth.ProofInfo.PublicInput)
return
}
authNullHash := frontend.FromInterface(frontend.GetAssignedValue(v.AuthorizeHash))
updateAuthHash(table, authNullHash.String())
authSpendHash := frontend.FromInterface(frontend.GetAssignedValue(v.AuthorizeSpendHash))
updateAuthSpend(table, authSpendHash.String())
}
func (p *mixPolicy) processNullifiers(nulls []string, table *table.Table) {
for _, n := range nulls {
err := updateNullifier(table, n)
if err != nil {
bizlog.Error("processNullifiers", "nullifier", n, "err", err)
}
}
}
func updateNullifier(ldb *table.Table, nullifier string) error {
xs, err := ldb.ListIndex("nullifier", []byte(nullifier), nil, 1, 0)
if err != nil || len(xs) != 1 {
bizlog.Error("updateNullifier update query List failed", "key", nullifier, "err", err, "len", len(xs))
return nil
}
u, ok := xs[0].Data.(*mixTy.WalletDbMixInfo)
if !ok {
bizlog.Error("updateNullifier update decode failed", "data", xs[0].Data)
return nil
}
u.Info.Status = mixTy.NoteStatus_USED
return ldb.Update([]byte(u.TxIndex), u)
}
func updateAuthSpend(ldb *table.Table, authSpend string) error {
xs, err := ldb.ListIndex("authSpendHash", []byte(authSpend), nil, 1, 0)
if err != nil || len(xs) != 1 {
bizlog.Error("updateAuthSpend update query List failed", "key", authSpend, "err", err, "len", len(xs))
return nil
}
u, ok := xs[0].Data.(*mixTy.WalletDbMixInfo)
if !ok {
bizlog.Error("updateAuthSpend update decode failed", "data", xs[0].Data)
return nil
}
u.Info.Status = mixTy.NoteStatus_VALID
return ldb.Update([]byte(u.TxIndex), u)
}
func updateAuthHash(ldb *table.Table, authHash string) error {
xs, err := ldb.ListIndex("authHash", []byte(authHash), nil, 1, 0)
if err != nil || len(xs) != 1 {
bizlog.Error("updateAuthHash update query List failed", "key", authHash, "err", err, "len", len(xs))
return nil
}
u, ok := xs[0].Data.(*mixTy.WalletDbMixInfo)
if !ok {
bizlog.Error("updateAuthSpend update decode failed", "data", xs[0].Data)
return nil
}
u.Info.Status = mixTy.NoteStatus_UNFROZEN
return ldb.Update([]byte(u.TxIndex), u)
}
func (p *mixPolicy) listMixInfos(req *mixTy.WalletMixIndexReq) (types.Message, error) {
if req == nil {
return nil, types.ErrInvalidParam
}
localDb := p.getWalletOperate().GetDBStore()
query := NewMixTable(localDb).GetQuery(commondb.NewKVDB(localDb))
var primary []byte
indexName := ""
if len(req.NoteHash) > 0 {
indexName = "noteHash"
} else if len(req.Nullifier) > 0 {
indexName = "nullifier"
} else if len(req.AuthorizeSpendHash) > 0 {
indexName = "authSpendHash"
} else if len(req.Account) > 0 {
indexName = "account"
if req.Status > 0 {
indexName = "owner_status"
}
} else if req.Status > 0 {
indexName = "status"
}
cur := &MixRow{
WalletDbMixInfo: &mixTy.WalletDbMixInfo{Info: &mixTy.WalletNoteInfo{
NoteHash: req.NoteHash,
Nullifier: req.Nullifier,
AuthorizeSpendHash: req.AuthorizeSpendHash,
Account: req.Account,
Status: mixTy.NoteStatus(req.Status),
}},
}
prefix, err := cur.Get(indexName)
if err != nil {
bizlog.Error("listMixInfos Get", "indexName", indexName, "err", err)
return nil, err
}
rows, err := query.ListIndex(indexName, prefix, primary, req.Count, req.Direction)
if err != nil {
bizlog.Error("listMixInfos query failed", "indexName", indexName, "prefix", string(prefix), "key", string(primary), "err", err)
return nil, err
}
if len(rows) == 0 {
return nil, types.ErrNotFound
}
var resp mixTy.WalletNoteResp
for _, row := range rows {
r, ok := row.Data.(*mixTy.WalletDbMixInfo)
if !ok {
bizlog.Error("listMixInfos", "err", "bad row type")
return nil, types.ErrDecode
}
resp.Notes = append(resp.Notes, r.Info)
}
return &resp, nil
}
func (p *mixPolicy) execAutoDelLocal(tx *types.Transaction) (*types.LocalDBSet, error) {
kvs, err := p.store.DelRollbackKV(tx, tx.Execer)
if err != nil {
return nil, err
}
dbSet := &types.LocalDBSet{}
dbSet.KV = append(dbSet.KV, kvs...)
return dbSet, nil
}
func (p *mixPolicy) addTable(info *mixTy.WalletNoteInfo, heightIndex string, table *table.Table) {
r := &mixTy.WalletDbMixInfo{
Info: info,
TxIndex: heightIndex + info.NoteHash,
}
err := table.Replace(r)
if err != nil {
bizlog.Error("addTable", "notehash", info.NoteHash, "err", err)
}
}
func (p *mixPolicy) processSecretGroup(noteHash string, secretGroup *mixTy.DHSecretGroup, heightIndex string, table *table.Table) {
if secretGroup == nil {
bizlog.Info("noteHash secretGroup null", "noteHash", noteHash)
return
}
privacyKeys, err := p.getWalletPrivacyKeys()
if err != nil || privacyKeys == nil {
bizlog.Error("processSecretGroup.getPrivacyPairs", "notehash", noteHash, "err", err)
return
}
//可能自己账户里面既有spender,也有returner 或authorize,都要解一遍
if len(secretGroup.Receiver) > 0 {
info, err := p.decodeSecret(noteHash, secretGroup.Receiver, privacyKeys)
if err != nil {
bizlog.Error("processSecretGroup.spender", "err", err)
}
if info != nil {
p.addTable(info, heightIndex, table)
}
}
if len(secretGroup.Returner) > 0 {
info, err := p.decodeSecret(noteHash, secretGroup.Returner, privacyKeys)
if err != nil {
bizlog.Error("processSecretGroup.Returner", "err", err)
}
if info != nil {
p.addTable(info, heightIndex, table)
}
}
if len(secretGroup.Authorize) > 0 {
info, err := p.decodeSecret(noteHash, secretGroup.Authorize, privacyKeys)
if err != nil {
bizlog.Error("processSecretGroup.Authorize", "err", err)
}
if info != nil {
p.addTable(info, heightIndex, table)
}
}
}
func (p *mixPolicy) decodeSecret(noteHash string, secretData string, privacyKeys []*mixTy.WalletAddrPrivacy) (*mixTy.WalletNoteInfo, error) {
var dhSecret mixTy.DHSecret
data, err := hex.DecodeString(secretData)
if err != nil {
return nil, errors.Wrapf(err, "decode secret str=%s", secretData)
}
err = types.Decode(data, &dhSecret)
if err != nil {
return nil, errors.Wrapf(err, "decode secret data=%s", secretData)
}
for _, key := range privacyKeys {
cryptData, err := common.FromHex(dhSecret.Secret)
if err != nil {
return nil, errors.Wrapf(err, "decode for notehash=%s,crypt=%s", noteHash, dhSecret.Secret)
}
decryptData, err := decryptData(key.Privacy.SecretKey.SecretPrivKey, dhSecret.OneTimePubKey, cryptData)
if err != nil {
bizlog.Debug("processSecret.decryptData fail", "decrypt for notehash", noteHash, "secret", secretData, "addr", key.Addr, "err", err)
continue
}
var rawData mixTy.SecretData
err = types.Decode(decryptData, &rawData)
if err != nil {
bizlog.Debug("processSecret.decode rawData fail", "addr", key.Addr, "err", err)
continue
}
bizlog.Info("processSecret.decode rawData OK", "notehash", noteHash, "addr", key.Addr, "receiver", key.Privacy.PaymentKey.ReceiveKey, "recv", rawData.ReceiverKey,
"return", rawData.ReturnKey, "auth", rawData.AuthorizeKey)
//wallet产生deposit tx时候 确保了三个key不同,除非自己构造相同key的交易
if rawData.ReceiverKey == key.Privacy.PaymentKey.ReceiveKey ||
rawData.ReturnKey == key.Privacy.PaymentKey.ReceiveKey ||
rawData.AuthorizeKey == key.Privacy.PaymentKey.ReceiveKey {
//decrypted, save database
var info mixTy.WalletNoteInfo
info.NoteHash = noteHash
info.Nullifier = mixTy.Byte2Str(mimcHashString([]string{rawData.NoteRandom}))
//如果自己是spender,则记录有关spenderAuthHash,如果是returner,则记录returnerAuthHash
//如果授权为spenderAuthHash,则根据授权hash索引到本地数据库,spender更新本地为VALID,returner侧不变仍为FROZEN,花费后,两端都变为USED
//如果授权为returnerAuthHash,则returner更新本地为VALID,spender侧仍为FROZEN,
info.AuthorizeSpendHash = "0"
if len(rawData.AuthorizeKey) > LENNULLKEY {
switch key.Privacy.PaymentKey.ReceiveKey {
case rawData.ReceiverKey, rawData.ReturnKey:
info.AuthorizeSpendHash = mixTy.Byte2Str(mimcHashString([]string{key.Privacy.PaymentKey.ReceiveKey, rawData.Amount, rawData.NoteRandom}))
case rawData.AuthorizeKey:
info.AuthorizeHash = mixTy.Byte2Str(mimcHashString([]string{rawData.AuthorizeKey, rawData.NoteRandom}))
}
}
info.Status = mixTy.NoteStatus_VALID
//空的公钥为"0"字符,不是空字符
if len(rawData.AuthorizeKey) > LENNULLKEY {
info.Status = mixTy.NoteStatus_FROZEN
}
//账户地址
info.Account = key.Addr
info.Secret = &rawData
return &info, nil
}
}
return nil, nil
}